UV ink has been covered in offset printing, screen, inkjet, printing and other fields, the traditional printing industry refers to the UV is the effect of printing technology, is printed on a pattern you want to wrap a layer of varnish Bright, matte, inlaid crystal, glitter powder, etc.), mainly to increase product brightness and artistic effect, to protect the product surface, its high hardness, corrosion resistance, not easy to scratches, and some laminating products are changed to UV , To meet environmental requirements, but UV products are not easy to bond, and some can only be resolved by local UV or grinding

Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near field communication (NFC, e.g. Samsung Pay, Apple Pay, Google Pay, Fitbit Pay, Merpay or any bank mobile application that support Contactless) for making secure payments. The embedded chip and antenna enable consumers to wave their card, fob, or handheld device over a reader at the point of sale terminal. Contactless payments are made in close physical proximity, unlike mobile payments which use broad-area cellular or WiFi networks and do not involve close physical proximity.